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05-13-2013 | 08:30 AM

#47

DrV

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From: Los Angeles, CA,

RE: Tailpipe Collapse

Quote:

ORIGINAL: mikedenilin

Here are some pictures of subsonic transverse injection and shocks created in a wind tunnel test.

Dr.V. It's about time to replace that. The pipe had already discolored on the outside, so it has become more brittle and lost 1/2 of it's strength. The welding spots at the mid section seem to be pulled apart. Most of the pipes are over engineered so they will hold for a while but why take chances when you know the risk has formed.

Mike

Well, this pipe has been ran only once. The engine has been started only once. I primed it without taking the fuel line out and was not fast enough to stop the flow of fuel. It was brand new from bvm. Hot start was 2 seconds or less. Amber flame. The weld spots do not pull apart and not soft at all. The pipe is very solid. Some of those purple spots are my finger prints so the picture is deceiving.

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